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I've had mine for 18 months, listening an average of four hours and recharging daily, with no problems. The batteries are not user-replaceable. You might be able to send it back to Bose for new batteries, but you won't need to for a long time.
Sorry, there was a problem. Please try again later.Lithium battery charged by USB. Does not appear to be replaceable.
Sorry, there was a problem. Please try again later.I have only had mine about a month but so far they hold a charge as advertised and are rechargeable.
Sorry, there was a problem. Please try again later.No, the battery is not replaceable.
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